use crate::{ApiResponse, error::ApiError};
use actix_web::{HttpResponse, Result, web};
use service::AppService;
use service::git::repo::{
    ConfigBoolResponse, ConfigDeleteQuery, ConfigEntriesQuery, ConfigGetQuery, ConfigSetRequest,
    ConfigSnapshotResponse, DescriptionQuery, DescriptionResponse, GitUpdateRepoRequest,
    MergeAnalysisQuery, MergeAnalysisResponse, MergeCommitsRequest, MergeRefAnalysisQuery,
    MergeTreesRequest, MergeheadInfoResponse,
};
use session::Session;

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/description",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Get repository description", body = ApiResponse<DescriptionResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_description_get(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_description_get(namespace, repo_name, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    put,
    path = "/api/repos/{namespace}/{repo}/git/description",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    request_body = DescriptionQuery,
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Set repository description", body = ApiResponse<DescriptionResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_description_set(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    body: web::Json<DescriptionQuery>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_description_set(namespace, repo_name, body.into_inner(), &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    delete,
    path = "/api/repos/{namespace}/{repo}/git/description",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Reset repository description", body = ApiResponse<DescriptionResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_description_reset(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_description_reset(namespace, repo_name, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/description/exists",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Check if repository description exists", body = ApiResponse<serde_json::Value>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_description_exists(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_description_exists(namespace, repo_name, &session)
        .await?;
    Ok(ApiResponse::ok(serde_json::json!({"exists": resp})).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/config/entries",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "List repository config entries", body = ApiResponse<ConfigSnapshotResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_config_entries(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    query: web::Query<ConfigEntriesQuery>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_config_entries(namespace, repo_name, query.into_inner(), &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/config/{key}",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("key" = String, Path, description = "Config key"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Get repository config value", body = ApiResponse<serde_json::Value>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_config_get(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
    query: web::Query<ConfigGetQuery>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, key) = path.into_inner();
    let mut req = query.into_inner();
    req.key = key;
    let resp = service
        .git_config_get(namespace, repo_name, req, &session)
        .await?;
    Ok(ApiResponse::ok(serde_json::json!({"value": resp})).to_response())
}

#[utoipa::path(
    put,
    path = "/api/repos/{namespace}/{repo}/git/config/{key}",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("key" = String, Path, description = "Config key"),
    ),
    request_body = ConfigSetRequest,
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Set repository config value"),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_config_set(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
    body: web::Json<ConfigSetRequest>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, key) = path.into_inner();
    let mut req = body.into_inner();
    req.key = key;
    service
        .git_config_set(namespace, repo_name, req, &session)
        .await?;
    Ok(crate::api_success())
}

#[utoipa::path(
    delete,
    path = "/api/repos/{namespace}/{repo}/git/config/{key}",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("key" = String, Path, description = "Config key"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Delete repository config key"),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_config_delete(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
    query: web::Query<ConfigDeleteQuery>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, key) = path.into_inner();
    let mut req = query.into_inner();
    req.key = key;
    service
        .git_config_delete(namespace, repo_name, req, &session)
        .await?;
    Ok(crate::api_success())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/config/{key}/has",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("key" = String, Path, description = "Config key"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Check if repository config key exists", body = ApiResponse<ConfigBoolResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_config_has(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
    query: web::Query<ConfigGetQuery>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, key) = path.into_inner();
    let mut req = query.into_inner();
    req.key = key;
    let resp = service
        .git_config_has(namespace, repo_name, req, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/merge/analysis/{their_oid}",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("their_oid" = String, Path, description = "The OID to analyze merge against"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Perform merge analysis", body = ApiResponse<MergeAnalysisResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_merge_analysis(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
    query: web::Query<MergeAnalysisQuery>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, their_oid) = path.into_inner();
    let mut req = query.into_inner();
    req.their_oid = their_oid;
    let resp = service
        .git_merge_analysis(namespace, repo_name, req, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/merge/analysis/{ref_name}/{their_oid}",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("ref_name" = String, Path, description = "Reference name"),
        ("their_oid" = String, Path, description = "The OID to analyze merge against"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Perform merge analysis for a specific ref", body = ApiResponse<MergeAnalysisResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_merge_analysis_for_ref(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String, String)>,
    query: web::Query<MergeRefAnalysisQuery>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, ref_name, their_oid) = path.into_inner();
    let mut req = query.into_inner();
    req.ref_name = ref_name;
    req.their_oid = their_oid;
    let resp = service
        .git_merge_analysis_for_ref(namespace, repo_name, req, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/merge/base/{oid1}/{oid2}",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("oid1" = String, Path, description = "First commit OID"),
        ("oid2" = String, Path, description = "Second commit OID"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Get merge base of two commits", body = ApiResponse<String>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_merge_base(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, oid1, oid2) = path.into_inner();
    let resp = service
        .git_merge_base(namespace, repo_name, oid1, oid2, &session)
        .await?;
    Ok(ApiResponse::ok(serde_json::json!({"merge_base": resp})).to_response())
}

#[utoipa::path(
    post,
    path = "/api/repos/{namespace}/{repo}/git/merge/commits",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    request_body = MergeCommitsRequest,
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Merge commits"),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_merge_commits(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    body: web::Json<MergeCommitsRequest>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    service
        .git_merge_commits(namespace, repo_name, body.into_inner(), &session)
        .await?;
    Ok(crate::api_success())
}

#[utoipa::path(
    post,
    path = "/api/repos/{namespace}/{repo}/git/merge/trees",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    request_body = MergeTreesRequest,
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Merge trees"),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_merge_trees(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    body: web::Json<MergeTreesRequest>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    service
        .git_merge_trees(namespace, repo_name, body.into_inner(), &session)
        .await?;
    Ok(crate::api_success())
}

#[utoipa::path(
    post,
    path = "/api/repos/{namespace}/{repo}/git/merge/abort",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Abort an in-progress merge"),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_merge_abort(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    service
        .git_merge_abort(namespace, repo_name, &session)
        .await?;
    Ok(crate::api_success())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/merge/in-progress",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Check if merge is in progress", body = ApiResponse<serde_json::Value>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_merge_is_in_progress(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_merge_is_in_progress(namespace, repo_name, &session)
        .await?;
    Ok(ApiResponse::ok(serde_json::json!({"in_progress": resp})).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/merge/heads",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "List merge heads", body = ApiResponse<Vec<MergeheadInfoResponse>>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_mergehead_list(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_mergehead_list(namespace, repo_name, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/merge/is-conflicted",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Check if merge has conflicts", body = ApiResponse<serde_json::Value>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_merge_is_conflicted(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_merge_is_conflicted(namespace, repo_name, &session)
        .await?;
    Ok(ApiResponse::ok(serde_json::json!({"is_conflicted": resp})).to_response())
}

#[utoipa::path(
    patch,
    path = "/api/repos/{namespace}/{repo}/git",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    request_body = GitUpdateRepoRequest,
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Update repository settings"),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_update_repo(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    body: web::Json<GitUpdateRepoRequest>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    service
        .git_update_repo(namespace, repo_name, body.into_inner(), &session)
        .await?;
    Ok(crate::api_success())
}